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Summary of Significant Accounting Policies Summary of Signifnicant Accounting Policies (PPE) (Table)
 12 Months Ended
Dec. 31, 2019
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment [Table Text Block]
Property, plant and equipment, including depreciable lives, consisted of the following (in millions):
 
December 31,
 
2019
 
2018
Land
$
8.3

 
$
10.6

Buildings and improvements (10 to 40 years)
37.4

 
36.8

Machinery and equipment (10 to 20 years)
1,607.3

 
1,641.7

Furniture, fixtures and software (5 to 10 years)
47.9

 
48.3

Assets under finance leases (1 to 7 years) (1)
10.3

 
21.9

Construction-in-progress
19.9

 
23.7

 
1,731.1

 
1,783.0

Less accumulated depreciation
(757.6
)
 
(684.9
)
 
$
973.5

 
$
1,098.1


 
(1) 
Assets under finance leases consist of buildings and machinery and equipment. As of December 31, 2019 and 2018, finance lease assets are recorded net of accumulated amortization of $7.1 million and $6.7 million, respectively.